/**     
* @Title: RedisConfig.java   
* @Package me.springboot.session.config   
* @Description: TODO   
* @author xaoyaoyao
* @date 2017年9月3日 上午11:48:04
*/
package me.springboot.session.config;

import java.lang.reflect.Method;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.interceptor.KeyGenerator;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;

/**
 * @ClassName: RedisConfig
 * @Description: TODO
 * @author xaoyaoyao
 * @date 2017年9月3日 上午11:48:04
 * 
 */
@Configuration
@EnableCaching
public class RedisConfig {

	@Value("${spring.redis.host}")
	private String host;

	@Value("${spring.redis.port}")
	private int port;

	@Value("${spring.redis.timeout}")
	private int timeout;

	@Bean
	public KeyGenerator wiselyKeyGenerator() {
		return new KeyGenerator() {
			@Override
			public Object generate(Object arg0, Method arg1, Object... arg2) {
				StringBuffer sb = new StringBuffer();
				sb.append(arg0.getClass().getName());
				sb.append(arg1.getName());
				for (Object obj : arg2) {
					sb.append(obj.toString());
				}
				return sb.toString();
			}
		};
	}

	@Bean
	public JedisConnectionFactory redisConnectionFactory() {
		JedisConnectionFactory factory = new JedisConnectionFactory();
		factory.setHostName(host);
		factory.setPort(port);
		factory.setTimeout(timeout);
		return factory;
	}

	@Bean
	public CacheManager cacheManager(RedisTemplate redisTemplate) {
		RedisCacheManager cacheManager = new RedisCacheManager(redisTemplate);
		cacheManager.setDefaultExpiration(86400 * 7);// 时效时间7天

		return cacheManager;
	}

	@Bean
	public RedisTemplate<String, String> redisTemplate(RedisConnectionFactory factory) {
		StringRedisTemplate template = new StringRedisTemplate(factory);
		setSerializer(template);
		template.afterPropertiesSet();
		return template;
	}

	private void setSerializer(StringRedisTemplate template) {
		Jackson2JsonRedisSerializer<Object> jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer<Object>(
				Object.class);
		ObjectMapper om = new ObjectMapper();
		om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
		om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
		jackson2JsonRedisSerializer.setObjectMapper(om);
		template.setValueSerializer(jackson2JsonRedisSerializer);
	}
}
